Horse-drawn carriage rides, Saturdays, Dec. 13 and 20, at Reston Town Center, from 12-4 p.m., to benefit local charities.

The duo Somos el Mar (Pat Chen and Bill Davis) will present a benefit holiday concert at the Reston Community Center at Lake Anne Saturday, Dec. 13, 7:30-9 p.m. All the proceeds go to UNICEF.

A Christmas concert will be held Sunday, Dec. 14, 4 and 7 p.m. at Holy Cross Lutheran Church, 1090 Sterling Road, Herndon. The Joint Vocal and Handbell Choirs of Herndon United Methodist, Holy Cross Lutheran, St. Joseph’s Catholic and Trinity Presbyterian Churches will perform. A free will offering will be collected to benefit LINK.

The Model Train and Railroad Art Show will be held Saturday, Dec. 13, 10 a.m.-5 p.m. and Sunday, Dec. 14, 12-4 p.m., at ArtSpace, 750 Center St., Herndon. N-scale and HO trains will be running. W&OD museum and W&OD caboose also will be open. Free. Call 703-956-6590.

Santa PAWS. Bring pets for portraits with Santa, Dec. 13, from 11 a.m.-3 p.m., next to the Skate Shop in Reston Town Center. Proceeds benefit GoodDogz.org to help homeless dogs and support rescue groups. Visit www.gooddogz.org.

Breakfast with Santa. Have breakfast with Santa at McCormick and Schmick’s in Reston Town Center, Dec. 13-14, from 9 a.m.-12 p.m. Tickets: $22/adults, $6.95 children, includes breakfast buffet and photo with Santa. Call 703-481-6600 for reservations.

The Sierra Club Holiday Party will be held Monday, Dec. 15, 6:30-9 p.m. at Lake Anne Community Center, 1609 Washington Plaza N., Reston. Enjoy music and a potluck dinner. Free and open to all. Contact Linda Freimark at Linda.Freimark@virginia.sierraclub.org to coordinate food contributions.

A Holiday Mixer presented by the Dulles Regional Chamber of Commerce will be held Thursday, Dec. 18, 5:30-7:30 p.m. at the Crowne Plaza Hotel, 2200 Centreville Road, Herndon. $15/members; $20/non-members; $10/person for member parties of five or more. Reservations can be made at www.dullesregionalchamber.org/events.

Breakfast with Santa. Have breakfast with Santa at McCormick and Schmick’s in Reston Town Center, Dec. 20-21, from 9 a.m.-12 p.m. Tickets: $22/adults, $6.95 children, includes breakfast buffet and photo with Santa. Call 703-481-6600 for reservations.

New Year’s Evening Celebration. Enjoy festive French fare, party favors and a champagne toast at Mon Ami Gabi in Reston Town Center, Dec. 31, from 5-10 p.m. Call 703-707-0233 or visit www.monamigabi.com/reston for reservations.

New Year’s Eve Special. Enjoy a New Year’s celebration, Dec. 31, with live music at Jasmine Café at Lake Anne Village Center, 1609 Washington Plaza, Reston. Call 703-471-9114.